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Banknote identification method and device

A banknote identification and banknote technology, which is applied in the field of banknote identification methods and devices, can solve problems such as the complexity of the currency identification process, and achieve a time-consuming effect

Active Publication Date: 2017-06-13
SHENZHEN YIHUA COMP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Both of the above two currency identification methods require a large amount of data extraction and template matching operations, and the currency identification process is complicated

Method used

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  • Banknote identification method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] figure 2 A flow chart of a banknote identification method provided in Embodiment 1 of the present invention, the method can be executed by a banknote identification device, the device can be implemented by software and / or hardware, and the device can be integrated in any In the financial equipment, for example, it is typically a banknote detector, a banknote counter or a sorting machine. The method of this embodiment specifically includes the following steps:

[0027] S100. Obtain an image of a feature region of the banknote to be detected.

[0028] Wherein, the characteristic area refers to the area in the banknote to be detected that contains the name of the above country or the name of the central bank of the above country.

[0029] Specifically, the image of the characteristic region is obtained from the banknote to be detected, that is, the characteristic region image. The acquisition method can be to obtain the complete image of the banknote to be detected fir...

Embodiment 2

[0051] image 3 It is a flow chart of a banknote identification method provided by Embodiment 2 of the present invention. On the basis of the above embodiment, this embodiment optimizes step S100 in the previous embodiment to step S110 to step S140, and adds steps Step S500 and step S600 are parallel to step S700 and step S800 . The steps that are the same as those in the above embodiment use the corresponding reference numerals, and the explanations of terms that are the same as or corresponding to those in the above embodiment will not be repeated here. Combine below image 3 The banknote identification method provided in Embodiment 2 of the present invention will be described. The method in this embodiment includes:

[0052] S110. Obtain a complete image of the banknote to be detected.

[0053] Specifically, the image of the complete area of ​​the banknote to be detected is obtained by means of scanning or photographing, that is, the complete image of the banknote to be ...

Embodiment 3

[0077] Figure 4 It is a schematic structural diagram of a banknote identification device provided by an embodiment of the present invention, and explanations of terms in this embodiment that are the same as or corresponding to any of the above embodiments will not be repeated here. The device can include:

[0078] The characteristic region image acquisition module 410 is used to acquire the characteristic region image of the banknote to be detected.

[0079] The character sub-image acquisition module 420 is used to perform character segmentation on the feature area image according to the column sum of each column of pixels and the row sum of each row of pixels in the feature area image acquired by the feature area image acquisition module 410, and obtain the feature area image Character subimages within.

[0080] The character recognition module 430 is configured to perform character recognition on the character sub-image acquired by the character sub-image acquisition modu...

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Abstract

The embodiment of the invention discloses a banknote identification method and device. The method includes the steps that a characteristic region image of a to-be-tested banknote is obtained; according to the column sum of pixel columns and the row sum of pixel rows in the characteristic region image, character segmentation is conducted on the characteristic region image, and character sub images in the characteristic region image are obtained; character recognition is conducted on the character sub images, and characters in the characteristic region image are obtained; word segmentation is conducted on the characters, a word segmentation result is obtained, and the word segmentation result is matched with country names in the national name dictionary library; according to the matching result, the type of the to-be-tested banknote is determined. According to the banknote identification method and device, the time consuming problem in the banknote identification process is solved, and the type of the to-be-tested banknote can be quickly and accurately identified.

Description

technical field [0001] Embodiments of the present invention relate to image processing technology, and in particular to a banknote identification method and device. Background technique [0002] Banknotes of different countries (that is, different currency types) have different face features, so the operations of banknote authentication and denomination identification of different currencies will also be different. Therefore, before banknote authentication, banknote currency identification must be carried out . [0003] A method of banknote currency identification in the prior art is to scan the banknote to be detected with ultraviolet light, visible light or infrared light to obtain the image data of the banknote to be detected, and then compare the image data with the images in the database of different currencies The data is matched to determine the currency type of the banknote to be detected. Another method is to obtain the number of digits of the serial number of the...

Claims

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Application Information

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IPC IPC(8): G06K9/20G06F17/27G06K9/62
CPCG06F40/284G06V10/22G06F18/22
Inventor 翟云龙
Owner SHENZHEN YIHUA COMP
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